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netineya [11]
3 years ago
9

Madison is training for a marathon. her goal is to run 26.2 miles a day. She currently can run 18.5 miles a day. About how many

more miles does she need to run in a day to meet her goal?
Mathematics
1 answer:
Ivahew [28]3 years ago
4 0
26.2 - 18.5 = 7.7. I used subtraction to figure out how many more miles she needs to run each day to reach her goal. 
She needs to run 7.7 more miles a day to reach her goal. 

I hope this helps!
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Which expression is equivalent to (3b + 2r) + (4b + r)?
Mice21 [21]

(3b + 2r) + (4b + r)

3b+4b +2r+r

7b +3r

Choice B


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Please help thanks!!
Sidana [21]

So for this, you will be doing two different multiplications: 3 x 4 and √8 x √3.

3 x 4 = 12

√8 x √3 = √24

Now our result is 12√24, however, this can be simplified. Using the product rule of radicals (√ab = √a x √b), our simplification is such:

12√24 = 12√(8 x 3) = 12√(4 x 2 x 3) = 2 x 12√(2 x 3) = 24√6

In short, the answer is 24√6, or the first option.

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How do you find the dilation of a triangle?
Oksana_A [137]
Draw the dilation image of the triangle with a center at the origin and a scale factor of two.
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4 less than the number product of a number and 8 is 44 .what it the number
Anettt [7]

Set up the problem like this: x - 4 + 8 = 44

x-4+8=44             (8-4)

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Consider the following random experiment. First, roll a die and observe the number of dots facing up; then, toss a coin the numb
kipiarov [429]

Answer:

{(1, 0), (1, 1), (2,0), (2,1), (2, 2), (3,0), (3,1), (3,2), (3,3), (4, 0), (4,1), (4,2), (4,3), (4,4), (5,0), (5,1),(5,2), (5,3), (5,4), (5,5), (6,0), (6,1),(6,2), (6,3), (6,4), (6,5), (6,6)}

B.)

{(2,2), (3,2), (4,2), (4,4), (5,2), (5,4), (6,2), (6,4), (6,6)}

Step-by-step explanation:

Sample space :

Die roll, then number of coin tosses based on the outcome of the die roll, then number of heada from the toss(es) is recorded along with the outcome of the die roll.

{(1, 0), (1, 1), (2,0), (2,1), (2, 2), (3,0), (3,1), (3,2), (3,3), (4, 0), (4,1), (4,2), (4,3), (4,4), (5,0), (5,1),(5,2), (5,3), (5,4), (5,5), (6,0), (6,1),(6,2), (6,3), (6,4), (6,5), (6,6)}

Event that the total number of head is even:

{(2,2), (3,2), (4,2), (4,4), (5,2), (5,4), (6,2), (6,4), (6,6)}

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